نتایج جستجو برای: sciatic nerve injury
تعداد نتایج: 462815 فیلتر نتایج به سال:
Peripheral nerve injury produces a persistent neuropathic pain state characterized by spontaneous pain, allodynia and hyperalgesia. In this study, we evaluated the possible involvement of A 2ARs in the development of neuropathic pain and the expression of microglia and astrocytes in the spinal cord after sciatic nerve injury. For this purpose, partial ligation of the sciatic nerve was performed...
Sciatic nerve injury is one of the frequent mononeuropathies in children that occurs due to different causes such as nerve compression, trauma and stretch during surgery. Gluteal injection is an uncommon cause of sciatic injury in developed countries. Poor techniques and frequent injections are the common cause of injection palsy. Proneal division of the sciatic nerve is more prone to injury du...
INTRODUCTION Erythropoietin (EPO) has been shown to have beneficial effects on peripheral nerve damage, but its mechanism of action remains incompletely understood. In this study we hypothesized that EPO promotes peripheral nerve repair via neurotrophic factor upregulation. MATERIAL AND METHODS Thirty adult male Wistar rats were employed to establish a sciatic nerve injury model. They were th...
objective(s) motor deficit and neuron degeneration is seen after nerve transection. the aim of this study is to determine whether a poled polyvinelidene fluoride (pvdf) tube with other supportive strategies can protect the neuronal morphology and motor function after sciatic nerve transaction in rats. materials and methods after transection of the left sciatic nerve in 60 male wistar rats (200-...
BACKGROUND Constriction of the sciatic nerve by loose ligation produces an inflammatory neuropathic injury. This represents an animal model for peripheral mononeuropathy. Oxygen-derived free radicals are suspected to play an important role in the pathogenesis of ischemia/reperfusion injury, leading to neurogenic inflammation. Hyperbaric oxygen (HBO) has been used anecdotally to treat clinically...
BACKGROUND Sciatic nerve injuries often cause partial or total loss of motor, sensory and autonomic functions due to the axon discontinuity, degeneration, and eventual death which finally result in substantial functional loss and decreased quality of life. Nerve growth factor (NGF) plays a critical role in peripheral nerve regeneration. However, the lack of efficient NGF delivery approach limit...
BACKGROUND Olfactory ensheathing glia (OEG) has been shown to have a neuroprotective effect after being transplanted in rats with spinal cord injury. This study was conducted to determine the possible beneficial results of olfactory mucosa transplantation (OMT) which is a source of OEG on functional recovery and axonal regeneration after transection of the sciatic nerve. METHODS In this study...
CONTEXT Although herniation of a lumbosacral intervertebral disk is a major cause of sciatic distribution pain, relentlessly progressive symptoms or signs should alert one to the possibility of a tumor involving the nerve. OBJECTIVE To describe the clinical, neurophysiological, and histological features of a pathologically unique tumor involving the sciatic nerve. SETTING Tertiary referral ...
objective: transplantation of bone marrow stromal cells (bmscs) or schwann cells (scs) can facilitate axonal regeneration in peripheral nerve injuries. the aim of this study was to compare the effects of transplantation of bmscs and scs on functional recovery after injury to the sciatic nerve in the rat. materials and methods:in this experimental research, adult male wistar rats (n=24, 250-300 ...
BACKGROUND Intraneural injection during nerve-stimulator-guided sciatic block at the popliteal fossa may be a common occurrence. Although intraneural injections have not resulted in clinically detectable neurologic injury in small studies in human subjects, intraneural injections result in postinjection inflammation in animal models. This study used clinical, imaging, and electrophysiologic mea...
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